Test RTK merania na najbližšiu referenčnú stanicu v službe SKPOS
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2023-02-02
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Mark
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Vysoké učení technické v Brně,Fakulta stavební
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Slovenská priestorová observačná služba od svojho vzniku poskytuje služby v reálnom čase výhradne metódou sieťového RTK v koncepte virtuálnej referenčnej stanice. Metóda sieťového RTK kompenzuje nedostatok klasického RTK merania priamo na referenčnú stanicu, kde s narastajúcou sa vzdialenosťou od referenčnej stanice klesá presnosť. S väčším počtom družíc Galileo a BeiDou sa stáva generovanie sieťového riešenia čoraz komplikovanejšie a nie je možné generovať sieťové riešenie so všetkých prijímaných družíc. Preto môže byť vhodnejšie v blízkosti referenčných staníc a v zložitejších podmienkach ako sú zákryty a pod., využiť údaje priamo z najbližšej referenčnej stanice s plným počtom observovaných družíc. Príspevok je venovaný výsledkom testov na porovnanie sieťového RTK merania s RTK meraním na najbližšiu referenčnú stanicu z pohľadu kvalitatívnych parametrov ako presnosť, dĺžka inicializačného času, počet družíc, parameter PDOP.
Since 2006 SKPOS provides its real-time positioning services based on the RTK method using a virtual reference station. The network RTK method compensates the lack of a classic RTK measurements directly at the reference station, where the accuracy decreases with the increased distance from the reference station. With more Galileo and BeiDou satellites, generating a network solution becomes more complicated and it is not possible to generate a network solution from all received satellites. Therefore, it may be more appropriate in the vicinity of reference stations and in worse observing conditions such as urban canyons, etc., to use data directly from the nearest reference station with the full number of observed satellites. This article represents the results of several RTK tests comparing network RTK measurement with RTK measurement at the nearest reference station by the quality parameters such as accuracy, length of initialization time, number of satellites and PDOP parameter.
Since 2006 SKPOS provides its real-time positioning services based on the RTK method using a virtual reference station. The network RTK method compensates the lack of a classic RTK measurements directly at the reference station, where the accuracy decreases with the increased distance from the reference station. With more Galileo and BeiDou satellites, generating a network solution becomes more complicated and it is not possible to generate a network solution from all received satellites. Therefore, it may be more appropriate in the vicinity of reference stations and in worse observing conditions such as urban canyons, etc., to use data directly from the nearest reference station with the full number of observed satellites. This article represents the results of several RTK tests comparing network RTK measurement with RTK measurement at the nearest reference station by the quality parameters such as accuracy, length of initialization time, number of satellites and PDOP parameter.
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Družicové metody v geodézii a katastru 2023, s. 40-45. ISBN 978-80-86433-81-3.
http://geodesy.fce.vutbr.cz/konference/gnss-seminar/
http://geodesy.fce.vutbr.cz/konference/gnss-seminar/
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